Analogy Questions

Select the related number from the given alternatives.
77 : 84 :: 121 : ?

There is certain relationship between two given words on one side of : : and one word is given on another side of : : while another word is to be found from the given alternatives, having the same relation with this word as the given pair has. Select the best alternatives/ relationship.

Funk : Vitamins :: Curie : ?

Select the related word/letters/number from the given alternatives.
96 : 32:: 48 : ?

Select the related word/letters/number from the given alternatives.
JS : QH : : VW : ?

Select the related word/letters/number from the given alternatives.
17: 71 :: 35: ?

Select the related number from the given alternatives.
7.25 : 7.75 :: 9 : ?

In the following question, select the related word pair from the given alternatives.
Ammeter : Current : : ? : ?

Select the related word/letters/number from the given alternatives.
Nephrology : Kidney : : Ichthyology : ?